//
// Copyright 2022 The Sparrow Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#ifndef SPARROW_SYSINFO_H_
#define SPARROW_SYSINFO_H_
#include <stdint.h>

#include <string>

namespace sparrow {
// returns the current working directory
std::string GetWorkDirectory();

// returns the current process id
uint32_t GetPID();

// returns the current thread id
uint32_t GetTID();

uint32_t GetCachedTID();

std::string GetEnv(const std::string &name);
bool SetEnv(const std::string &name, const std::string &value, bool overwrite);
bool DeleteEnv(const std::string &name);

void SleepForMicroseconds(int micros);

// Return error description, error code from errno or getlasterror
std::string ErrorDescription(const std::string &prefix = std::string());
} // namespace sparrow

// get evn

#endif // SPARROW_SYSINFO_H_
